package zx.springcloud.controller;

import com.zx.springcloud.entity.Payment;
import com.zx.springcloud.vo.CommonResult;
import lombok.extern.slf4j.Slf4j;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;
import zx.springcloud.lib.LoadBalancer;
import zx.springcloud.lib.MyLB;
import zx.springcloud.util.CounterDemo;

import javax.annotation.Resource;
import java.net.URI;
import java.util.List;

/**
 * 消费模块
 * @author ZX
 * @date 2021/3/3
 */
@RestController
@RequestMapping(value = "/consumer")
@Slf4j
public class OrderController
{
    @Resource
     private RestTemplate restTemplate;
    @Resource
    private LoadBalancer loadBalancer;
    @Resource
    private DiscoveryClient  discoveryClient;
    private  final  String  PAYMENT_URL="http://CLOUD-PAYMENT-SERVICE";
    /* private  final  String  PAYMENT_URL="http://localhost:8001";*/


     @GetMapping(value = "/create")
    public CommonResult<Payment> create(Payment payment){

        return   restTemplate.postForObject(PAYMENT_URL+"/payment/create",payment,CommonResult.class);

    }


    @GetMapping(value = "/get/{id}")
    public CommonResult<Payment> create(@PathVariable String id){

        return   restTemplate.getForObject(PAYMENT_URL+"/payment/get/"+id,CommonResult.class);

    }

    @GetMapping(value = "lb")
    public  String getPaymentLB(){

        List<ServiceInstance> instances =discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");
         if (instances  == null  || instances.size() <=0){
                   return  null;
         }
         ServiceInstance serviceInstance = loadBalancer.instances(instances);
         URI uri = serviceInstance.getUri();
        return restTemplate.getForObject(uri+"payment/lb",String.class);
         
    }


    @GetMapping(value = "/test")
    public void test(){

        CounterDemo.grant1();

    }
    @GetMapping(value = "/test1")
    public void test1(){

        CounterDemo.grant1();

    }
}
